X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/2f55a3f0a80974922678d7677902d169b3481693..e25cbb009adb64eeb97e3a68d9c964ff785c7be3:/app/models/segment.rb

diff --git a/app/models/segment.rb b/app/models/segment.rb
index f4909c7d2..14949879d 100644
--- a/app/models/segment.rb
+++ b/app/models/segment.rb
@@ -56,6 +56,7 @@ class Segment < ActiveRecord::Base
   def save_with_history
     begin
       Segment.transaction do
+        self.timestamp = Time.now
         self.save
         old_segment = OldSegment.from_segment(self)
         old_segment.save
@@ -67,22 +68,27 @@ class Segment < ActiveRecord::Base
   end
 
   def to_xml
-    doc = XML::Document.new
-    doc.encoding = 'UTF-8' 
-    root = XML::Node.new 'osm'
-    root['version'] = API_VERSION
-    root['generator'] = 'OpenStreetMap server'
-    doc.root = root
-    root << to_xml_node()
+    doc = OSM::API.new.get_xml_doc
+    doc.root << to_xml_node()
     return doc
   end
 
-  def to_xml_node
+  def to_xml_node(user_display_name_cache  = nil)
     el1 = XML::Node.new 'segment'
     el1['id'] = self.id.to_s
     el1['from'] = self.node_a.to_s
     el1['to'] = self.node_b.to_s
-    el1['user'] = self.user.display_name if self.user.data_public?
+
+    user_display_name_cache = {} if user_display_name_cache.nil?
+    if user_display_name_cache and user_display_name_cache[self.user_id]
+      # use the cache if available
+    else
+      user_display_name_cache[self.user_id] = self.user.display_name
+    end
+    
+    #el1['user'] = self.user.display_name if self.user.data_public?
+    el1['user'] = user_display_name_cache[self.user_id]
+
     Segment.split_tags(el1, self.tags)
     el1['visible'] = self.visible.to_s
     el1['timestamp'] = self.timestamp.xmlschema